As the foreign visitors who used to be presented to him, in the days when he still represented France abroad, were all more or less (even the famous singers) persons of note, with regard to whom he could tell, when he met them, that he would be able to say, later on, when he heard their names mentioned in Paris or in Petersburg, that he remembered perfectly the evening he had spent with them at Munich or Sofia, he had formed the habit of impressing upon them, by his affability, the pleasure with which he was making their acquaintance; but in addition to this, being convinced that in the life of European capitals, in contact at once with all the interesting personalities that passed through them and with the manners and customs of the native populations, one acquired a deeper insight than could be gained from books into the intellectual movement throughout Europe, he would exercise upon each newcomer his keen power of observation, so as to decide at once with what manner of man he had to deal.